Fix checkstyle issues

sop-java/src/test/java/sop/ByteArrayAndResultTest.java

@@ -4,18 +4,16 @@
 
 package sop;
 
-import static org.junit.jupiter.api.Assertions.assertArrayEquals;
-import static org.junit.jupiter.api.Assertions.assertEquals;
+import org.junit.jupiter.api.Test;
+import sop.util.UTCUtil;
 
 import java.nio.charset.StandardCharsets;
 import java.text.ParseException;
 import java.util.Collections;
 import java.util.List;
 
-import org.junit.jupiter.api.Test;
-import sop.ByteArrayAndResult;
-import sop.Verification;
-import sop.util.UTCUtil;
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class ByteArrayAndResultTest {
 

sop-java/src/test/java/sop/MicAlgTest.java

@@ -4,16 +4,15 @@
 
 package sop;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertNotNull;
-import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.junit.jupiter.api.Assertions.assertTrue;
+import org.junit.jupiter.api.Test;
 
 import java.util.HashMap;
 import java.util.Map;
 
-import org.junit.jupiter.api.Test;
-import sop.MicAlg;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 public class MicAlgTest {
 

sop-java/src/test/java/sop/ProfileTest.java

@@ -5,7 +5,6 @@
 package sop;
 
 import org.junit.jupiter.api.Test;
-import sop.Profile;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;

sop-java/src/test/java/sop/ReadyTest.java

@@ -4,14 +4,13 @@
 
 package sop;
 
-import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import org.junit.jupiter.api.Test;
 
 import java.io.IOException;
 import java.io.OutputStream;
 import java.nio.charset.StandardCharsets;
 
-import org.junit.jupiter.api.Test;
-import sop.Ready;
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 
 public class ReadyTest {
 

sop-java/src/test/java/sop/ReadyWithResultTest.java

@@ -4,8 +4,9 @@
 
 package sop;
 
-import static org.junit.jupiter.api.Assertions.assertArrayEquals;
-import static org.junit.jupiter.api.Assertions.assertEquals;
+import org.junit.jupiter.api.Test;
+import sop.exception.SOPGPException;
+import sop.util.UTCUtil;
 
 import java.io.IOException;
 import java.io.OutputStream;
@@ -14,12 +15,8 @@ import java.text.ParseException;
 import java.util.Collections;
 import java.util.List;
 
-import org.junit.jupiter.api.Test;
-import sop.ByteArrayAndResult;
-import sop.ReadyWithResult;
-import sop.Verification;
-import sop.exception.SOPGPException;
-import sop.util.UTCUtil;
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class ReadyWithResultTest {
 

sop-java/src/test/java/sop/SessionKeyTest.java

@@ -4,14 +4,13 @@
 
 package sop;
 
+import org.junit.jupiter.api.Test;
+import sop.util.HexUtil;
+
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
-import org.junit.jupiter.api.Test;
-import sop.SessionKey;
-import sop.util.HexUtil;
-
 public class SessionKeyTest {
 
     @Test

sop-java/src/test/java/sop/SigningResultTest.java

@@ -4,11 +4,9 @@
 
 package sop;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
-
 import org.junit.jupiter.api.Test;
-import sop.MicAlg;
-import sop.SigningResult;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class SigningResultTest {
 

sop-java/src/test/java/sop/VerificationTest.java

@@ -5,7 +5,6 @@
 package sop;
 
 import org.junit.jupiter.api.Test;
-import sop.Verification;
 import sop.enums.SignatureMode;
 import sop.testsuite.assertions.VerificationAssert;
 import sop.util.UTCUtil;